California state Sen. Kevin De Leon

State Sen. Kevin de Leon, (D-Los Angeles), speaking during a September session, has denied playing a role in a contribution given to a nonprofit tied to Sen. Ronald S. Calderon (D-Montebello).

State Sen. Kevin de Leon, (D-Los Angeles), speaking during a September session, has denied playing a role in a contribution given to a nonprofit tied to Sen. Ronald S. Calderon (D-Montebello). (Rich Pedroncelli / Associated Press)

State Sen. Kevin de Leon, (D-Los Angeles), speaking during a September session, has denied playing a role in a contribution given to a nonprofit tied to Sen. Ronald S. Calderon (D-Montebello).